Home / 1,120,437.21-1,546,203.33-611,139.60

Finding the Fourth Proportional to 1,120,437.21, 1,546,203.33 and 611,139.60

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Solution

The fourth proportional to 1,120,437.21, 1,546,203.33 and 611,139.60 is: 843,372.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,437.21 : 1,546,203.33 = 611,139.60 : x
  2. Step 2: Convert to fraction form
    1,120,437.21/1,546,203.33 = 611,139.60/x
  3. Step 3: Cross multiply
    1,120,437.21x = 1,546,203.33 × 611,139.60
  4. Step 4: Simplify right side
    1,120,437.21x = 944,946,084,614.87
  5. Step 5: Solve for x
    x = 944,946,084,614.87/1,120,437.21
  6. Step 6: Final answer
    x = 843,372.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.